The monitor LED fill light is an auxiliary light source for night vision monitoring and was developed for various snap shot or inspection license plate systems.
Monitoring LED fill light main purposeAt present, LED monitor fill light is widely used in the night license plate fill light illumination of the bayonet electronic police capture system. In addition, the LED monitoring fill light can also be used in parking systems such as parking lots or detecting license plates. Different from the ordinary LED lamps, the LED fill light can be automatically switched between day and night, level, trigger, frame synchronization, video synchronization and other fill modes.
First, according to the basic types: strobe, constant light, infrared, white light (color temperature control), strobe
Strobe fill light: stroboscopic sound shows a certain frequency and regular change with time period; stroboscopic fill light means that the light source changes according to a certain frequency according to time. It is also known as the flash, but there is a certain gap in the details, so I will not elaborate here.
Changliang fill light: Constant light is always lit, here mainly refers to the night with the surveillance camera fill light, the night is always lit, there is no strobo function, and the function of the ordinary lighting is the same.
Infrared fill light: Infrared fill light illuminator is composed of infrared light-emitting diode (LED) matrix. The image is black and white. Under normal circumstances, it can only be used with ordinary black-and-white cameras.
White fill light: White fill light is mainly controlled by color temperature, which refers to the color emitted by light. Generally divided into white and warm white, and some are yellow.
Strobe fill light: strobe and strobe are conceptually a meaning. The difference is that strobo is generally a simple fill light, and strobe can achieve single frame synchronous monitoring fill light, with snapping effect.
Second, according to the scope of use: bayonet, parking lot, toll station, community, gates, city entrances and exits, highways, electronic police
There is no fixed saying that the bayonet fill light is used in the bayonet, and the parking lot is called the parking lot fill light; it is just a customary name, so you don't have to go deeper.
Third, according to the use of project points: intelligent transportation, safe city, Skynet project, smart city, Xueliang project, security monitoring
The fill light used on different projects can be called as long as it involves the project of fill light. The places that usually need to fill light are definitely accompanied by surveillance cameras.
Fourth, according to the use of function points: license plate recognition, high-definition video, face recognition
Here mainly refers to the ordinary fill light and whether there is a special function of the fill light, in fact, and the first major classification is integrated, according to the actual demand function is called.
5. According to the equipment used: ball machine, gun machine (CCD, CMOS)
The name of the camera + fill light is common in the market, but the ball machine usually has its own effect, no need to add additional fill light.
6. According to the type of control: light control, switching quantity, level quantity
According to different functional requirements, the requirements for the fill light are different. Sometimes it is necessary to adjust the light according to the light. Sometimes it is necessary to cooperate with the camera to achieve the fill light effect. The constant-bright fill light is automatically controlled according to the light control at night or when the light is dark; the stroboscopic flash-type fill light is controlled according to the amount of switching and the amount of the level, where the level is divided into low-power Peace and high level.
The above is a general classification of the monitoring fill light Yao Hong photoelectric summary, led fill light is only a tool to assist the surveillance camera fill light. Although there are many kinds of names, it is undoubtedly divided into two types: snap shot and ordinary fill light.
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